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definitive orbit

См. также в других словарях:

  • comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… …   Universalium

  • Earth impact hazard — ▪ astronomy Introduction  the danger of collision posed by astronomical small bodies whose orbits (orbit) around the Sun carry them near Earth. These objects include the rocky asteroids and their larger fragments and the icy nuclei of comets.… …   Universalium

  • Biela's Comet — 3D/Biela Biela s Comet in February 1846, soon after it split into two pieces. Discovery Discovered by: Wilhelm von Biela Discovery date: February 27, 1826 Alternate designations: 1772; 1806 I; 1832 III; 1846 II; 1852 III; 1826 D1 …   Wikipedia

  • John Couch Adams — Infobox Scientist name = John Couch Adams box width = 300px image width = 240px caption = birth date = birth date|1819|06|15 birth place = Laneast, Cornwall, Great Britain death date = death date and age|1892|01|21|1819|06|15 death place =… …   Wikipedia

  • 12P/Pons–Brooks — Discovery Discovered by: Jean Louis Pons William Robert Brooks Discovery date: July 12, 1812 Alternate designations: 1812; 1884 I; 1954 VII Orbital characteristics A Epoch …   Wikipedia

  • 12P/Pons-Brooks — Infobox Comet name=12P/Pons Brooks discoverer=Jean Louis Pons William Robert Brooks discovery date=July 12, 1812 designations=1812; 1884 I; 1954 VII epoch= semimajor=17.13 AU perihelion=0.77 AU aphelion=33.8 AU eccentricity=0.955 period=70.9 a… …   Wikipedia

  • Comet Pereyra — (formal designations: C/1963 R1, 1963 V, and 1963e) was a bright comet which appeared in 1963. It was a member of the Kreutz Sungrazers, a group of comets which pass extremely close to the Sun. Contents 1 Discovery 2 Orbital studies 3 References …   Wikipedia

  • Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) …   Wikipedia

  • Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

  • Extrasolar planet — Planet Fomalhaut b (inset against Fomalhaut s interplanetary dust cloud) imaged by the Hubble Space Telescope s coronagraph (NASA photo) …   Wikipedia

  • mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …   Universalium

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